-- @testpoint: opengauss关键字Inherit(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists Inherit;
create function Inherit(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带双引号-成功
drop function if exists "Inherit";
create function "Inherit"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带单引号-合理报错
drop function if exists 'Inherit';
create function 'Inherit'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `Inherit`;
create function `Inherit`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--清理环境
drop function if exists inherit(integer);
drop function if exists "Inherit"(integer);